8-Ch RP2350 Relay Module Digital Input, RS485 and Ethernet port
Built-in protection circuits such as power isolation and optocoupler isolation, Safe & Stable & Reliable
RP2350-POE-ETH-8DI-8RO
PoE network port + isolated RS485
8-ch digital inputs + 8-ch relays
Features
- RP2350B microcontroller chip designed by Raspberry Pi in the United Kingdom
- Adopts unique dual-core and dual-architecture design: dual ARM Cortex-M33 or dual Hazard3 RISC-V processors support, flexible clock running up to 150 MHz
- 520KB of SRAM, and 16MB of onboard Flash memory
- Type-C port, easier to use
- High quality relay, contact rating: ≤10A 250V AC / 30V DC
- Supports passive and active digital input, with bi-directional optocoupler isolation. The relay supports digital input linkage control
- Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial expansion modules or sensors
- Onboard pin header, allowing access to other devices
- Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications
- Onboard RTC chip, supports scheduled tasks
- Onboard W5500 Ethernet chip for extending 10/100Mbps network port through SPI interface
- Optional for PoE network port function, with built-in PoE module for PoE capability (compliant with IEEE 802.3af standard)
- Onboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay
- Onboard digital isolation to prevent interference from external signal
- Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal
- Onboard TF card slot for external TF card storage of images and files
- Built in buzzer, RGB LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the devices
- Rail-mounted ABS case, easy to install, safe to use
- USB 1.1 with host and sub device support
- Low-power sleep and dormant modes
- Drag-and-drop programming using mass storage over USB
- Adapting 15 × multi-function GPIO pins
- 2 × SPI, 2 × I2C, 2 × UART, 8 × 12-bit ADC, 12 × controllable PWM channels
- Accurate clock and timer on-chip
- Temperature sensor
- Accelerated floating-point libraries on-chip
- 12 × Programmable I/O (PIO) state machines for custom peripheral support
Specifications
| Microcontroller |
RP2350B |
| USB |
Connector |
USB Type-C |
| Power supply |
5V |
| Functions |
Power supply, USB communication, firmware downloading, etc. |
| isolated comm interface |
Interface |
RS485 |
| Connector |
Screw terminal |
| Direction control |
Hardware automatic control |
| Protection |
TVS diode, surge protection & ESD protection |
| Resistor |
Onboard reserved 120R matching resistor, NC by default, enabled via jumper |
| Ethernet interface |
PoE Ethernet port, supports IEEE 802.3af standard (for PoE port version only) |
| Digital input |
Input channels |
8 |
| Input voltage |
5V~36V |
| Input type |
Passive input / active input (NPN or PNP type) |
| Isolation type |
Bi-directional optocoupler isolation |
| Relay |
Contact rating |
≤10A 250V AC / 30V DC |
| Relay channels |
8 |
| Contact form |
1NO 1NC |
| Isolation |
Optocoupler isolation |
| LED indicators |
RGB |
RGB colorful LED, supports programmable control of display color |
| PWR |
Red power indicator, lights up when there is USB connection and voltage is detected |
| TXD |
Green TX indicator, lights up when the RS485 port sends data |
| RXD |
Blue RX indicator, lights up when the device port sends data back |
| power supply Screw terminal |
Voltage range |
7~36V |
| Appearance |
Enclosure |
Rail-mount ABS protective case |
| Dimensions |
175 × 90 × 40 (mm) |
dual-core, dual-architecture
The unique dual-core, dual-architecture capability of RP2350B allows users to choose between a pair of industry-standard Arm Cortex-M33 cores, and a pair of open-hardware Hazard3 cores, giving developers a chance to experiment with the RISC-V architecture in a stable, well-supported environment
Onboard multiple isolation protection circuits
Multiple protections, more safe and reliable
supports RS485 and Ethernet interfaces remote control
Onboard 8-ch relays and 8-ch digital inputs, Contact rating of the onboard relay up to 10A 250V AC / 30V DC, Directly controlling 220VAC home appliances, or devices below 30V DC
Digital input
Supports passive (dry contact) and active (wet contact) digital input, with bi-directional optocoupler isolation
Application scenarios
Optional for PoE function
built-in PoE module, providing both network connection and power supply in one cable
* the PoE function is only available on RP2350-POE-ETH-8DI-8RO version, and the switch shown in the picture is NOT included.
Application Examples
Provides Multiple Networking Demos With Waveshare.Cloud, Using The Lightweight MQTT Protocol To Achieve Data Visualization Service
Supports C/C++, MicroPython, Arduino IDE
What's On Board
-
RP2350B
Dual-core and dual-architecture design, up to 150 MHz operating frequency
-
PoE header
supports connecting to PoE module for PoE capability (for PoE port version only)
- RESET button
-
Optocoupler isolation
prevents interference from external high-voltage circuit connected to the relay
-
8-channel quality relays
contact rating per channel: ≤ 10A 250V AC or ≤ 10A 30V DC
-
Relay screw terminals
for connecting external devices
-
Power supply isolation
provides stable isolated voltage, needs no extra power supply for the isolated terminal
-
Digital isolation
prevents interference from external signal
-
RS485 matching resistor jumper
onboard reserved 120R matching resistor, enabled via jumper
-
RS485 communication interface
for connecting to external RS485 devices
-
Power supply screw terminal
supports DC 7~36V wide voltage input
- Power IC
- Digital input screw terminals
- Bi-directional optocoupler isolation
- RTC battery holder
- Buzzer
-
Pin header
for connecting other devices
-
LED indicators
PWR: power indicator
RXD: RS485 RX indicator
TXD: RS485 TX indicator
- BOOT button
-
USB Type-C port
for programming, USB 1.1 with device and host support
-
WS2812
cool RGB LED
- Ethernet port
-
Onboard TVS (Transient Voltage Suppressor)
can effectively suppress surge voltage and transient spike voltage in the circuit
- RS485 conversion chip
-
MP1605GTF-Z
DC-DC power module
-
PCF85063ATL
RTC chip, can achieve some scheduled tasks
-
W5500
for extending 10/100Mbps network port through SPI interface
-
TF card slot
supports external TF card storage for images and files
pin definition
Enclosure Design
ABS Protection Enclosure With 35mm Rail-Mount Support, Easy To Install, Safe To Use
Outline dimensions
